1153501423 has 4 divisors (see below), whose sum is σ = 1153595248. Its totient is φ = 1153407600.

The previous prime is 1153501417. The next prime is 1153501441. The reversal of 1153501423 is 3241053511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153501423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153501463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25086 + ... + 54187.

It is an arithmetic number, because the mean of its divisors is an integer number (288398812).

Almost surely, 2^1153501423 is an apocalyptic number.

1153501423 is a deficient number, since it is larger than the sum of its proper divisors (93825).

1153501423 is an equidigital number, since it uses as much as digits as its factorization.

1153501423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93824.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1153501423 is about 33963.2363446124. The cubic root of 1153501423 is about 1048.7517814327.

Adding to 1153501423 its reverse (3241053511), we get a palindrome (4394554934).

The spelling of 1153501423 in words is "one billion, one hundred fifty-three million, five hundred one thousand, four hundred twenty-three".